Though the emperor be rich, he cannot buy one extra year.
One father can feed seven children, but seven children cannot feed one father.
Let him make use of instinct who cannot make use of reason.
What has been blown away, cannot be found again.
He who cannot light a fire knows nothing about love.
Even God cannot make two mountains without a valley in between.
A hand that has been chopped off cannot steal any more.
Unless you enter the tiger's den you cannot take the cubs.
Once you've cut the bread, you cannot put it together again.
One cannot make a fur coat from a "Thank you."
He who knows nothing is as blind as him who cannot see.
However early you get up you cannot hasten the dawn.
A sheep cannot bleat in two different places at the same time.
You cannot hold your head high with your hand out.
Immortality is a chancy thing; it cannot be promised or earned. Perhaps it cannot even be identified for what it is.
We cannot always build the future for our youth, but we can build our youth for the future.
Of course, some families cannot be saved and their children cannot be returned. Yet, even then, their love for each other must be worth something.
We are approaching a new age of synthesis. Knowledge cannot be merely a degree or a skill... it demands a broader vision, capabilities in critical thinking and logical deduction without which we cannot have constructive progress.
We may brave human laws, but we cannot resist natural ones.
You cannot trust a man with your money who cannot take care of his own.
The very life of any creature is a quick-fading spark in fathomless darkness.
